<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		
		
		<script>
			
			//1.算数运算符 + - * /
			
			//2.字符串链接 +
			
			//3.关系运算符 > >= == < <= ===
			var a = 123;
			var b = "123"
			//4.赋值运算
			//= += -= *=
			
			//5.逻辑运算符
			//&& 与
			//|| 或
			//!  取反
			
			//6.条件运算符
			//条件 ? 结果1:结果2
			
			
			
		</script>
		
		
		
		
	</body>
</html>
